Power Electronics In forward blocking mode of a thyristor junction J2 is in reverse bias and J1, J3 is in forward bias. junction J3 is in forward bias and J1, J2 is in reverse bias. Junction J1, J3 is in reverse bias and J2 is in forward bias. Junction J1 and J2 is in forward bias and J3 is in reverse bias. junction J2 is in reverse bias and J1, J3 is in forward bias. junction J3 is in forward bias and J1, J2 is in reverse bias. Junction J1, J3 is in reverse bias and J2 is in forward bias. Junction J1 and J2 is in forward bias and J3 is in reverse bias. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is disadvantage of fast recovery diodes? Doping is carried out. Recovery is only 50 µs. None of these. Recovery is only 5 µs. Doping is carried out. Recovery is only 50 µs. None of these. Recovery is only 5 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The V-I characteristics for a triac in the first and third quadrants are essentially identical to those of ___________ in its first quadrant None of these SCR UJT Transistor None of these SCR UJT Transistor ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Dynamic equalising circuit is useful both B and C. to limit di / dt of SCR. to limit dV / dt of SCR. for voltage equalisation. both B and C. to limit di / dt of SCR. to limit dV / dt of SCR. for voltage equalisation. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The function of snubber circuit connected across the SCR is to decrease di / dt. increase dV / dt. decrease dV / dt. suppress dV / dt. decrease di / dt. increase dV / dt. decrease dV / dt. suppress dV / dt. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics During which time maximum conduction spreading take place in the thyristor during turn ON? Rise time. Delay time. Spread time. Same for every case. Rise time. Delay time. Spread time. Same for every case. ANSWER DOWNLOAD EXAMIANS APP
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